CN216758395U

CN216758395U - Involute spline broach

Info

Publication number: CN216758395U
Application number: CN202220311838.2U
Authority: CN
Inventors: 党雨菲; 党民; 王燕; 林小钧; 孙超; 李鑫波
Original assignee: Hanzhong Bote Tools Co ltd
Current assignee: Hanzhong Bote Tools Co ltd
Priority date: 2022-02-16
Filing date: 2022-02-16
Publication date: 2022-06-17
Anticipated expiration: 2032-02-16

Abstract

The utility model belongs to the field of spline broaches, and particularly relates to an involute spline broach which comprises a fixed rod, wherein a port of the fixed rod is fixedly connected with a connecting rod, a port of the connecting rod is fixedly connected with an involute spline rod, a port of the involute spline rod is fixedly connected with a connecting block, a port of the connecting block is fixedly connected with an installation seat, a port of the installation seat is detachably and fixedly connected with a buffer block, a port of the buffer block is connected with a hole aligning head in a sliding mode, and a sliding rod is fixedly connected inside the buffer block. Through inserting the splined hole earlier to the hole head, make butt joint hole head and splined hole, promote the spline broach that gradually bursts at the seams, make the spline rod that gradually bursts at the seams and the splined hole directly to the hole head cooperation connecting block, improve hole efficiency, when receiving the extrusion to the hole head, the connecting rod utilizes the slip of slider on the slide bar, extrude No. two springs, make No. two spring contractions, produce elasticity, the buffering is to the hole head to the rigid collision impact that the hole in-process received, improve the hole efficiency to hole head and processing work piece splined hole.

Description

Involute spline broach

Technical Field

The utility model relates to the field of spline broaches, in particular to an involute spline broach.

Background

The involute spline is a spline with spline teeth on the surface of a cylinder (or a cone) and involute tooth profile, and the involute spline broach is a broach processing tool with the involute spline.

The existing involute spline broach is used, when a machined workpiece is subjected to broaching, the problem that the involute spline broach and a spline hole are complex in hole aligning exists, and the broaching efficiency of the involute spline broach for machining the workpiece is easily influenced, so that the involute spline broach is provided for solving the problem.

SUMMERY OF THE UTILITY MODEL

In order to make up for the defects of the prior art and solve the problems in the background art, the utility model provides an involute spline broach.

The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model relates to an involute spline broach, which comprises a fixed rod, wherein a port of the fixed rod is fixedly connected with a connecting rod, a port of the connecting rod is fixedly connected with an involute spline rod, a port of the involute spline rod is fixedly connected with a connecting block, a port of the connecting block is fixedly connected with an installation seat, a port of the installation seat is detachably and fixedly connected with a buffer block, a port of the buffer block is slidably connected with a hole aligning head, the inner part of the buffer block is fixedly connected with a sliding rod, the surface of the hole aligning head is fixedly connected with a connecting rod, the side surface of the port of the connecting rod is positioned in the buffer block and fixedly connected with a sliding block, the inner part of the buffer block is fixedly connected with a second spring, the surface of the buffer block is fixedly connected with an insertion block, the surface of the port of the installation seat is provided with an insertion groove, the surface of the installation seat is provided with a through hole, the surface of the insertion block is provided with a threaded hole, and the surface of the installation seat is provided with a bolt rod, the involute spline broach and the spline hole are convenient to align.

Preferably, the port of the second spring is fixedly connected with the inner bottom surface of the buffer block and the port surface of the connecting rod respectively, and the second spring is of a compression type and is beneficial to buffering the hole head.

Preferably, the sliding block is sleeved on the surface of the sliding rod, and the sliding block and the sliding rod are matched and are in sliding connection with each other, so that the sliding of the hole head is facilitated.

Preferably, the number of the sliding blocks and the number of the sliding rods are four, and the sliding rods and the sliding blocks are distributed on the outer side face of the connecting rod in an annular array mode, so that the hole heads can stably slide.

Preferably, the hole aligning head is a circular table body, the connecting block is a circular table block, and the diameter of the port of the hole aligning head is smaller than that of the port of the involute spline rod, so that the hole aligning of the involute spline rod and the workpiece spline hole is facilitated.

Preferably, the inside sliding connection of mount pad has the movable block, the surface mounting of movable block has the rolling disc, the rigid coupling has a spring between the surface of rolling disc and the inside bottom surface of mount pad, be connected for rotating between rolling disc and the spring, logical groove has been seted up to the inside side of mount pad, the fixed slot has been seted up to the inside side of mount pad, the activity groove has been seted up to the inside side of mount pad, the side rigid coupling of inserted block has the fixed block, is favorable to the dismouting to the hole head.

Preferably, fixed block and fixed slot looks adaptation, the fixed block with lead to groove looks adaptation, activity groove and fixed block looks adaptation, the fixed slot symmetric distribution is in the inside side of mount pad, lead to the groove symmetric distribution in the inside side of mount pad, the fixed slot is the cross with leading to the groove and distributes in turn, the port that leads to the groove and the port of fixed slot all communicate with the activity groove mutually, are convenient for to the fixed of hole head.

Preferably, the insertion block is matched with the insertion groove, and the port of the bolt rod is matched with the through hole and the threaded hole, so that the fixing effect of the hole head is improved conveniently.

The utility model has the technical effects and advantages that:

1. according to the utility model, the hole aligning head is firstly inserted into the spline hole, so that the hole aligning head is butted with the spline hole, the involute spline broach is pushed, the hole aligning head is matched with the connecting block, so that the involute spline rod and the spline hole are directly aligned with the hole, the hole aligning efficiency is improved, when the hole aligning head is extruded, the connecting rod extrudes the second spring by utilizing the sliding of the sliding block on the sliding rod, so that the second spring is contracted to generate elastic force, the hard collision impact on the hole aligning head in the hole aligning process is buffered, and the hole aligning efficiency of the hole aligning head and the workpiece spline hole is improved;

2. according to the utility model, the insertion block is butted with the slot, the fixed block is butted with the through slot, the hole aligning head is pushed, the fixed block passes through the through slot and is positioned in the movable slot, in the process, the insertion block extrudes the movable block, the movable block extrudes the first spring, the insertion block is rotated by ninety degrees by utilizing the rotating disc so that the fixed block is butted with the fixed slot, the elastic force generated by compression of the first spring pushes the insertion block to retreat, the fixed block is positioned in the fixed slot, the port of the bolt rod penetrates through the through hole and is screwed with the threaded hole, the position of the insertion block and the mounting seat is fixed, and during disassembly, the operation is performed in reverse direction, so that the quick assembly and disassembly of the hole aligning head are realized, the replacement of the hole aligning head is facilitated, the hole aligning of the involute spline broach and a machined workpiece is facilitated, and the working efficiency is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an expanded view of the present invention;

FIG. 3 is an enlarged view of A of FIG. 2 according to the present invention;

FIG. 4 is a cross-sectional view of the mount of the present invention;

FIG. 5 is a cross-sectional view of the structure of the utility model with respect to a bore tip and the like.

In the figure: 1. fixing the rod; 2. a connecting rod; 3. an involute spline shaft; 4. connecting blocks; 5. a mounting seat; 6. a buffer block; 7. aligning the hole heads; 8. a slot; 9. a through groove; 10. inserting a block; 11. a fixed block; 12. fixing grooves; 13. a through hole; 14. a bolt shank; 15. a movable block; 16. a threaded hole; 17. rotating the disc; 18. a movable groove; 19. a first spring; 20. a slide bar; 21. a slider; 22. a second spring; 23. a connecting rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, an involute spline broach comprises a fixing rod 1, a connecting rod 2 is fixedly connected to a port of the fixing rod 1, an involute spline rod 3 is fixedly connected to a port of the connecting rod 2, a connecting block 4 is fixedly connected to a port of the involute spline rod 3, a mounting seat 5 is fixedly connected to a port of the connecting block 4, a buffer block 6 is detachably and fixedly connected to a port of the mounting seat 5, a counter hole head 7 is slidably connected to a port of the buffer block 6, a sliding rod 20 is fixedly connected to the inside of the buffer block 6, a connecting rod 23 is fixedly connected to the surface of the counter hole head 7, a sliding block 21 is fixedly connected to the side surface of a port of the connecting rod 23, a second spring 22 is fixedly connected to the inside of the buffer block 6, an inserting block 10 is fixedly connected to the surface of the buffer block 6, a slot 8 is formed in the surface of the port of the mounting seat 5, a through hole 13 is formed in the surface of the mounting seat 5, threaded hole 16 is seted up on the surface of inserted block 10, the surface of mount pad 5 is equipped with bolt pole 14, and the involute spline broach of being convenient for is to hole with the spline hole, avoids to hole comparatively loaded down with trivial details, improves the broaching machining efficiency of involute spline broach to processing work piece.

The port of the second spring 22 is fixedly connected with the inner bottom surface of the buffer block 6 and the port surface of the connecting rod 23 respectively, and the second spring 22 is of a compression type, so that the buffering of the hole head 7 is facilitated, and the abrasion caused by hard collision impact is avoided.

The slider 21 overlaps in the surface of slide bar 20, slider 21 and slide bar 20 looks adaptation and be sliding connection each other, are favorable to the slip to the punch head 7, the quantity of slider 21 and slide bar 20 is four groups, slide bar 20 and slider 21 all are the outside side of annular array distribution at connecting rod 23, are convenient for to the stable slip of punch head 7.

The hole head 7 is a circular table body, the connecting block 4 is a circular table block, the diameter of the port of the hole head 7 is smaller than that of the port of the involute spline rod 3, the hole aligning of the involute spline rod 3 and the spline hole of the workpiece is facilitated, and the workpiece can be conveniently processed.

The inside sliding connection of mount pad 5 has movable block 15, the surface mounting of movable block 15 has rolling disc 17, the rigid coupling has spring 19 between the surface of rolling disc 17 and the inside bottom surface of mount pad 5, be connected for rotating between rolling disc 17 and spring 19, logical groove 9 has been seted up to the inside side of mount pad 5, fixed slot 12 has been seted up to the inside side of mount pad 5, movable groove 18 has been seted up to the inside side of mount pad 5, the side rigid coupling of inserted block 10 has fixed block 11, is favorable to the dismouting to hole head 7, and the convenience is to the quick replacement of hole head 7, improves work efficiency.

Fixed block 11 and fixed slot 12 looks adaptation, fixed block 11 and logical groove 9 looks adaptation,

activity groove

18 and 11 looks adaptations of fixed block, fixed slot 12 symmetric distribution is in the inside side of mount pad 5, lead to the inside side of groove 9 symmetric distribution at mount pad 5, fixed slot 12 and logical groove 9 are the cross and distribute in turn, the port that leads to groove 9 and fixed slot 12 all is linked together with activity groove 18, is convenient for to the fixed of hole head 7, inserted

block

10 and 8 looks adaptations of slot, the port and the through-hole 13 of shank of bolt 14 and the equal adaptation of screw hole 16 are convenient for improve the fixed effect to hole head 7.

According to the working principle of the utility model, by arranging the aligning head 7, the buffer block 6, the connecting rod 23, the sliding rod 20, the sliding block 21 and the second spring 22, when the involute spline broach and the spline hole of the workpiece are aligned, the aligning head 7 is firstly inserted into the spline hole, so that the aligning head 7 is abutted with the spline hole, the involute spline broach is pushed, the aligning head 7 is matched with the connecting block 4, so that the involute spline rod 3 and the spline hole are directly aligned, the aligning efficiency is improved, when the aligning head 7 is extruded, the connecting rod 23 utilizes the sliding of the sliding block 21 on the sliding rod 20 to extrude the second spring 22, so that the second spring 22 is contracted to generate elasticity, the hard collision impact on the aligning head 7 in the aligning process is buffered, and the aligning efficiency of the aligning head 7 and the workpiece spline hole is improved; by arranging the mounting seat 5, the slot 8, the insert block 10, the fixed block 11, the fixed slot 12, the through slot 9, the movable slot 18, the movable block 15, the rotary disc 17, the first spring 19, the bolt rod 14 and the threaded hole 16, when the opposite hole head 7 needs to be mounted, the insert block 10 is butted with the slot 8, the fixed block 11 is butted with the through slot 9, the opposite hole head 7 is pushed, the fixed block 11 passes through the through slot 9 and is positioned in the movable slot 18, in the process, the insert block 10 extrudes the movable block 15, the movable block 15 extrudes the first spring 19, the insert block 10 is rotated by ninety degrees by using the rotary disc 17, the fixed block 11 is butted with the fixed slot 12, the elastic force generated by the compression of the first spring 19 pushes the insert block 10 to retreat, the fixed block 11 is positioned in the fixed slot 12, the port of the bolt rod 14 passes through the through hole 13 and is screwed with the threaded hole 16, the insert block 10 and the mounting seat 5 are fixed in position, when the mounting seat is dismounted, the device is operated reversely, so that the quick mounting and dismounting of the hole head 7 are realized, the hole head 7 is convenient to replace, the involute spline broach and the spline hole of a workpiece are convenient to align, and the working efficiency is improved.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed.

Claims

1. The utility model provides an involute spline broach, includes dead lever (1), its characterized in that: the port rigid coupling of dead lever (1) has connecting rod (2), the port rigid coupling of connecting rod (2) has the spline bar (3) that gradually bursts at the seams, the port rigid coupling of spline bar (3) that gradually bursts at the seams has connecting block (4), the port rigid coupling of connecting block (4) has mount pad (5), the rigid coupling can be dismantled to the port of mount pad (5) has buffer block (6), the port sliding connection of buffer block (6) has to hole head (7), the inside rigid coupling of buffer block (6) has slide bar (20), the surface rigid coupling to hole head (7) has connecting rod (23), the inside rigid coupling that the port side of connecting rod (23) is located buffer block (6) has slider (21), the inside rigid coupling of buffer block (6) has No. two spring (22), the surface rigid coupling of buffer block (6) has insert (10), slot (8) have been seted up on the port surface of mount pad (5), the surface of the mounting seat (5) is provided with a through hole (13), the surface of the inserting block (10) is provided with a threaded hole (16), and the surface of the mounting seat (5) is provided with a bolt rod (14).

2. The involute spline broach according to claim 1, wherein: the port of the second spring (22) is fixedly connected with the inner bottom surface of the buffer block (6) and the surface of the port of the connecting rod (23), and the second spring (22) is in a compression type.

3. The involute spline broach according to claim 1, wherein: the sliding block (21) is sleeved on the surface of the sliding rod (20), and the sliding block (21) and the sliding rod (20) are matched and are in sliding connection with each other.

4. The involute spline broach according to claim 3, wherein: the number of the sliding blocks (21) and the number of the sliding rods (20) are four, and the sliding rods (20) and the sliding blocks (21) are distributed on the outer side face of the connecting rod (23) in an annular array mode.

5. The involute spline broach according to claim 1, wherein: the hole head (7) is a circular truncated cone, the connecting block (4) is a circular truncated cone block, and the diameter of the port of the hole head (7) is smaller than that of the port of the involute spline rod (3).

6. The involute spline broach according to claim 1, wherein: the inside sliding connection of mount pad (5) has movable block (15), the surface mounting of movable block (15) has rolling disc (17), the rigid coupling has spring (19) between the surface of rolling disc (17) and the inside bottom surface of mount pad (5), be connected for rotating between rolling disc (17) and spring (19), logical groove (9) have been seted up to the inside side of mount pad (5), fixed slot (12) have been seted up to the inside side of mount pad (5), movable groove (18) have been seted up to the inside side of mount pad (5), the side rigid coupling of inserted block (10) has fixed block (11).

7. The involute spline broach according to claim 6, wherein: fixed block (11) and fixed slot (12) looks adaptation, fixed block (11) and logical groove (9) looks adaptation, activity groove (18) and fixed block (11) looks adaptation, fixed slot (12) symmetric distribution is in the inside side of mount pad (5), lead to groove (9) symmetric distribution in the inside side of mount pad (5), fixed slot (12) and logical groove (9) are the cross and distribute in turn, the port that leads to groove (9) and fixed slot (12) all are linked together with activity groove (18).

8. The involute spline broach according to claim 6, wherein: the insert block (10) is matched with the slot (8), and the port of the bolt rod (14) is matched with the through hole (13) and the threaded hole (16).